Table 1 Clinical characteristics, incidence of successful weaning and weaning failure, and the cause of acute respiratory failure in the training set, prospective-validation data set and in the total population
From: A new integrative weaning index of discontinuation from mechanical ventilation
Clinical characteristics | Training set (n = 115) | Prospective-validation set (n = 216) | Total population (n = 331) |
|---|---|---|---|
Age (years) | 64.68 ± 16.77 | 63.95 ± 17.63 | 64.20 ± 17.32 |
Duration of MV (days) | 9.80 ± 8.47 | 8.78 ± 7.17 | 9.14 ± 7.65 |
APACHE II | 15.99 ± 5.80 | 16.02 ± 5.43 | 16.01 ± 5.55 |
Successful weaning, n (%) | 94 (81.7) | 183 (84.7) | 277 (83.68) |
Weaning failure, n (%) | 21 (18.3) | 33 (15.3) | 54 (16.31) |
Cause of ARF | |||
COPD, n (%) | 33 (28.69) | 65 (30.09) | 98 (29.6) |
Pneumonia, n (%) | 25 (21.73) | 43 (19.9) | 68 (20.54) |
Postoperative ARF, n (%) | 23 (20) | 40 (18.51) | 63 (19.03) |
Sepsis, n (%) | 12 (10.43) | 27 (12.5) | 39 (11.78) |
ARDS/ALI, n (%) | 8 (6.95) | 17 (7.87) | 25 (7.55) |
Miscellaneous, n (%) | 6 (5.21) | 11 (5.09) | 17 (5.13) |
Multiple trauma, without brain injury, n (%) | 4 (3.47) | 7 (3.24) | 11 (3.32) |
Acute pulmonary edema, n (%) | 4 (3.47) | 6 (2.77) | 10 (3.02) |